At 6.7 amps and 45 pounds, with a capacity of a 100' of 3/8" Diameter Cable or 75' of 1/2" Diameter Cable, the K-400 is perfect for cleaning 1"-3" pipes of everything but roots. This video was made by www.seattlenicetoolrental.com - hope it helps. A demonstration of the K-400 is at    • Ridgid K-400 with Autofeed | Discussi...